<?php
abstract class DirectionalContainer extends Container implements DirectionalElement {
	
	protected $groupDirection;
	
	public function __construct($elementId = NULL) {
		
		parent::__construct($elementId);
	
		$this->groupDirection = Direction::$groupVertical;
	}
	
	public function setGroupDirection($groupDirection) {
	
		$this->groupDirection = $groupDirection;
	}
}
?>